1 MINUTE TIMER CIRCUIT

226

04:10:07

1 minute timer circuit, push switch led will stay on for 1 minute 

published 8 years ago

LeButch

8 years ago

Nice. But use a potentiometer at the - of the opamp that you can set the time on your own.

hurz

8 years ago

If you want the TIME on an exponential scale do it like Butch said. However, if you really looking for a variable solution let us know, there are better solutions then the Butch one.

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